Since the industrial revolution began in the mid-1700s, atmospheric carbon dioxide concentrations have gone up by 46%.
For the past two and a half million years, Earth has experienced regular ice ages, but with carbon dioxide levels now over 400 parts per million, the next ice age is postponed for a very long time.
Children play near a coal-fired power plant in the town of Obilic, Kosovo, in November 2018.
Ahead of the UN climate summit, we take stock of the world's best and worst performers on climate action - including some surprise success stories.
The climate crisis is itself an appalling lapse in duty of care by decision-makers, but we shouldn’t overlook this duty in our response.
Climate change is a super-wicked problem. With a growing sense of urgency to act on climate change, it is vital we strike a balance between encouraging action and limiting pushback.
Reconnecting with nature.
Humans did not always see themselves as he separate from the natural world. If we are to reverse its decline, we must re-entangle ourselves with it.
A protestor dresses as Jair Bolsonaro on Amazon Day in Rio de Janeiro, September 5 2019.
Destroying the Amazon rainforest will accelerate climate change, harming millions. Can those responsible be prosecuted?
While hemp does not sequester as much carbon dioxide as trees, it can be used as an efficient energy crop or in concrete, both with a potentially positive carbon sequestration effect.
Planting any tree is more important than planting a particular tree when it comes to removing carbon dioxide from the atmosphere.
People who have been affected by extreme weather events might experience mental health issues.
When we think about the health impacts of climate change, the effects of rising temperatures on physical health are often front of mind. But climate change affects people's mental health, too.
Giving climate change deniers a voice on our site contributes to a stalled public discourse.
As a reader, author or commenter, we need your help. If you see something that is misinformation, please don't engage, simply report it. Do this by clicking the report button below a comment.
A child jumps from a rock outcrop into a lagoon in the low-lying Pacific island of Tuvalu.
Climate deniers have joyously laboured to create a world potentially uninhabitable for our children. Our activism has failed, and rebellion may be the only answer.
Where’s the shade? Trees are not an immediate or whole answer to keeping cool.
Trees and the shade they provide are one of the best ways of cooling cities. But they also present challenges that are best resolved by managing this shared resource as part of an urban commons.
By leading school children through the wonders of the natural world, teachers could help raise environmental stewards.
Climate engagement still tends to increase with education and income.
Shouting out loud.
Scientists from all over the world agree that the impacts of climate change will get worse, unless action is taken now.
The Conversation has joined more than 250 news outlets around the world to focus on climate change coverage.
The Conversation is committed to delivering responsible, evidence-based journalism that helps readers understand the world’s most pressing issues.
The Port Kembla industrial area in NSW. Industry emissions can be cut by improving efficiency, shifting to electricity and closing old plants.
The UN has asked world leaders to bring concrete climate action plans to this week's summit - and Australia is likely to cop heavy criticism.
Flood damage in Bundaberg, Queensland, in 2013. Most communities are at some risk from extreme events, but repeated disasters raise the question of relocation.
Climate change has got to the point that communities around the world are having to contemplate moving. It's never an easy process, but good planning improves the prospects of successful relocation.
Covering Climate Now is a global effort involving more than 170 news organisations.
Columbia Journalism Review
Experts lead a week of news and analysis focused on the climate crisis.
Most of us believe that other people are not worried enough about climate change.
We know less than we should, but we're worried anyway. By the author of The Perils of Perception: Why We’re Wrong About Nearly Everything.
Ratcliffe-on-Soar, one of 7 UK coal-fired power plants still in service.
At current rates of reduction, the UK's fair carbon budget will be spent in just four years' time.
‘Fridays for Future’ demonstration in Berlin, March 29 2019.
Children are more attuned to the climate crisis than adults realise. We must listen to them.